​Tortusa/Breistein is a norwegian duo consisting of electronic musician Tortusa and saxophonist Inge W. Breistein. They released their first album "Mind Vessel" on Jazzland Recordings March 2018 and have toured in England, Germany and Norway. The album got good reviews in Germany, Norway, England and USA.

The music has an electronic-experimental sound and refers to genres such as electronica, nordic jazz, ambience and minimalism. Compositions and larger improvised sections blends together through rhythmic repetition, harmonic textures, ambience and strong melodies.

A majority of the sound is recorded live by Bishop and manipulated on the spot, creating a very live and fresh concert. Bishop records Breistein´s saxophone with various software and hardware and transforms the sound into something new.

About TortusaTortusa (John Derek Bishop) is a Norwegian-American electronic musician and composer from Stavanger, Norway. He has released two albums on Jazzland Recordings and was nominated for the Spellemann Prize (Norwegian Grammy) for "I Know This Place - The Eivind Aarset Collages". His albums have received good critics from Germany, Norway, Canada and England. Tortusa frequently performs live, and has played in Berlin, Hamburg, Leipzig, Dresden, Liverpool, Manchester, Birmingham, Oslo, Kristiansand, Bergen and Stavanger.

A cornerstone in Tortusa´s production is the texture and timbre of sound. He searches for sounds that are out of the ordinary and places the listener in different emotional states. For compositional processes, Tortusa employes both hardware equipment and software including retro tape recorders, modular synthesizers, samplers and a diverse array of other tools. On stage Tortusa live samples the musicians he plays with creating a intens and spontaneous experience. For several years,

Tortusa has been composing and performing for modern dance and performance art shows in Norway, England and France. He has made music for short films «Limerence», «Hyperspace» and «Across the dreams». Aside from making music Bishop works with photography.​About Inge W. Breistein Inge Weatherhead Breistein is a norwegian jazz musician (Saxophone), electronic musician and composer. He performs and composes music in a wider range of genres where jazz , various kinds of electronic music, experimental pop and free-improvisation can be mentioned. He has released albums with bands such as Cirrus and EGG3. Cirrus album Méli Mélo received critical acclaim both nationally and internationally. Roald Helgheim in Dagsavisen and Ian Patterson in All About Jazz both declared the album one of the year's absolute highlights. In 2014 he wrote a electronic-experimental commissioned piece named Ekstraliv for Maijazz (Stavanger international Jazz festival). In 2017 he wrote a commissioned piece together with guitarist Svein Rikard Mathisen for Nattjazz (Bergen international Jazz festival).